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Finding the Fourth Proportional to 358,064.02, 494,130.14 and 196,929.38

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Solution

The fourth proportional to 358,064.02, 494,130.14 and 196,929.38 is: 271,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,064.02 : 494,130.14 = 196,929.38 : x
  2. Step 2: Convert to fraction form
    358,064.02/494,130.14 = 196,929.38/x
  3. Step 3: Cross multiply
    358,064.02x = 494,130.14 × 196,929.38
  4. Step 4: Simplify right side
    358,064.02x = 97,308,742,109.51
  5. Step 5: Solve for x
    x = 97,308,742,109.51/358,064.02
  6. Step 6: Final answer
    x = 271,763.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.